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Abstract
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International Journal of Mathematics and Mathematical Sciences 
Volume 32 (2002), Issue 8, Pages 507-513
doi:10.1155/S0161171202111331

Completely contractive maps between C*-algebras

W. T. Sulaiman

College of Education, Ajman University, P.O. Box 346, Ajman, United Arab Emirates

Received 15 November 2001

Abstract

We give a simple proof that any completely contractive map between C*-algebras is the top right hand corner of a two completely positive unital matrix operator. Some well-known results are deduced.